Williams was born in Rowayton, Connecticut, the son of Marian (née Andrew), an antiques dealer, and Richard Norman Williams, a corporate executive. His maternal great-great-great-grandfather was Senator William Henry Barnum of Connecticut, a third cousin of the showman P. T. Barnum, and a distant relative was Robert Treat Paine, who was a signatory to the Declaration of Independence.\n', '

Williams played football in high school. He graduated from the Kent School in Connecticut and Franklin and Marshall College in Pennsylvania.\n', '

Williams made his film debut in the 1975 thriller film Deadly Hero. The following year he played a supporting role in The Ritz, a squeaky-voiced private detective looking for his suspect in a gay bathhouse. He came to world attention in 1979, when he starred as George Berger in the Miloš Forman film Hair, which was based on the 1967 Broadway musical. Williams was nominated for a Golden Globe Award for his role in the film. He was featured in the February 1980 edition of Playgirl magazine. He has gone on to appear in over 75 films and several television series. Notable films include: 1941 (1979), Once Upon A Time In America (1984), Dead Heat (1988), Things to Do in Denver When You\'re Dead (1995), and Deep Rising (1998).\n', '

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